The Classical School of Criminology is generally considered a doctrine of the 18th century which tried to reform the justice system especially the criminal justice system. It aimed to protect the criminals from the unplanned and unthought decisions made b the court of law and judges. The Positive School on the other hand is a 19th century idea which puts more stress on the psychology of a crime and the criminal mind. In this method, study and research is concentrated upon the criminal and the whole aim of this process is rehabilitation and reformation.